2311221202230 has 32 divisors (see below), whose sum is σ = 5838874617600. Its totient is φ = 583887461472.

The previous prime is 2311221202207. The next prime is 2311221202247. The reversal of 2311221202230 is 322021221132.

It is a junction number, because it is equal to n+sod(n) for n = 2311221202197 and 2311221202206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2027386450 + ... + 2027387589.

It is an arithmetic number, because the mean of its divisors is an integer number (182464831800).

Almost surely, 2^{2311221202230} is an apocalyptic number.

2311221202230 is an abundant number, since it is smaller than the sum of its proper divisors (3527653415370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2311221202230 is a wasteful number, since it uses less digits than its factorization.

2311221202230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4054774068.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2311221202230 its reverse (322021221132), we get a palindrome (2633242423362).

The spelling of 2311221202230 in words is "two trillion, three hundred eleven billion, two hundred twenty-one million, two hundred two thousand, two hundred thirty".